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Water Quality Report · Updated October 07, 2026

REHOBOTH PUMP DISTRICT (TUI)

Serving 81,417 residents in REHOBOTH BEACH, Delaware .

National rank 77th percentile
Delaware rank 100th percentile
Data confidence Medium
Quick answer

REHOBOTH PUMP DISTRICT (TUI) delivers tap water graded B (78/100) by TapWaterSafety.org. The utility serves approximately 81,417 residents in REHOBOTH BEACH, Delaware using groundwater. The most significant water quality concerns are: PFAS contamination; Chromium (hexavalent) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline; Nitrate significantly above health guideline. For questions, the utility can be reached at 302-242-6485.

Data sources for this grade: utilities.csv EWG Tap Water Database ⓘ How did we get this rating?
81,417
People served
1
City served
27
Contaminants detected
12
Above health guidelines

Is REHOBOTH BEACH tap water safe to drink?

REHOBOTH PUMP DISTRICT (TUI) delivers tap water that earns a grade of B (78/100) from TapWaterSafety.org — a good rating, with only minor concerns relative to health-based guidelines.

The utility serves 81,417 residents in REHOBOTH BEACH, drawing from groundwater.

Public testing data identifies 12 contaminants in this water above EWG's health-based guidelines, including: Chromium (hexavalent), Total trihalomethanes (TTHMs), Nitrate, Nitrate and nitrite, Bromodichloromethane, Haloacetic acids (HAA9), Dibromochloromethane, Perfluorooctanoic acid (PFOA), Dibromoacetic acid, Haloacetic acids (HAA5), Chloroform, Bromoform. For most residents, a properly certified home filter at the kitchen tap is the most cost-effective way to reduce exposure to whatever's in your water. See our filter recommendations below, matched specifically to this utility's contaminant profile.

EPA compliance record

Official U.S. EPA records for REHOBOTH PUMP DISTRICT (TUI) (system ID DE0000991) for the last 3 years. Checked 2026-10-07.

No EPA violations in the last 3 years.
0 of 12quarters with a violation
Nolead above EPA action level
05/12/2023last state inspection

Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.

Top concerns in this water

Based on the most recent EPA and EWG data, these are the most significant water quality issues for REHOBOTH PUMP DISTRICT (TUI).

PFAS contamination

Severe concern

Perfluorooctanoic acid (PFOA) detected. PFAS are persistent chemicals linked to cancer and immune effects with no known safe exposure threshold.

Chromium (hexavalent) significantly above health guideline

Moderate concern

Chromium (hexavalent) detected at 0.707 ppb, 35x above the EWG health guideline of 0.02 ppb.

Total trihalomethanes (TTHMs) significantly above health guideline

Moderate concern

Total trihalomethanes (TTHMs) detected at 4.88 ppb, 33x above the EWG health guideline of 0.15 ppb.

Nitrate significantly above health guideline

Moderate concern

Nitrate detected at 3.08 ppm, 22x above the EWG health guideline of 0.14 ppm.

Contact REHOBOTH PUMP DISTRICT (TUI)

Reach the utility directly for service issues, water quality concerns, or to request your Consumer Confidence Report.

Recommended water filters for REHOBOTH BEACH

Filters matched to the specific contaminants in this water supply.

Filter certified for PFOA/PFOS (NSF/ANSI 53 or 58)

$180-$750

Reverse osmosis and some carbon block filters reduce PFAS. Look for certification to NSF/ANSI 53 or 58 for PFOA/PFOS.

AquaTru Countertop Reverse Osmosis
$449-$599 NSF 42, 53, 58, 401, 372
Editorial pick · affiliate link coming soon
Aquasana AQ-5300 Under-Sink Filter
$180-$240 NSF 42, 53, 401, 372
Editorial pick · affiliate link coming soon
Aquasana OptimH2O Reverse Osmosis + Claryum
$429-$549 NSF 42, 53, 58, 401
Editorial pick · affiliate link coming soon
Waterdrop G3P800 Tankless RO
$600-$750 NSF 42, 53, 58, 372
View on retailer →

Carbon filter certified for VOCs (NSF/ANSI 53)

$180-$599

Activated carbon is effective for disinfection byproducts like TTHM. Look for NSF/ANSI 53 VOC or chloroform reduction.

Aquasana AQ-5300 Under-Sink Filter
$180-$240 NSF 42, 53, 401, 372
Editorial pick · affiliate link coming soon
AquaTru Countertop Reverse Osmosis
$449-$599 NSF 42, 53, 58, 401, 372
Editorial pick · affiliate link coming soon
Aquasana OptimH2O Reverse Osmosis + Claryum
$429-$549 NSF 42, 53, 58, 401
Editorial pick · affiliate link coming soon

Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.

Score breakdown

This utility's overall score of 78/100 breaks down across five weighted components. Read the full methodology →

Health Guideline Performance
26 / 40
Legal Compliance
20 / 20
High-Risk Contaminants
14 / 20
Compliance History
10 / 10
Source Water Vulnerability
8 / 10

Contaminants detected — international standards comparison

Every contaminant detected, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal (the strictest US benchmark). Why we show multiple standards →

Contaminant Detected EWG
US health-based
EPA
US legal
EU DWD
Europe
WHO
global
CA PHG
strictest US
Tested
sample year
Status
Chromium (hexavalent)
Heavy metal
0.707 ppb 0.02 — — — — — 35× over
Total trihalomethanes (TTHMs)
Disinfection byproduct
4.88 ppb 0.15 80.0 100 — — — 33× over
Nitrate
Inorganic
3.08 ppm 0.14 10.0 11.3 11.3 10 — 22× over
Nitrate and nitrite
Inorganic
3.08 ppm 0.14 10.0 11.3 11.3 10 — 22× over
Bromodichloromethane
Disinfection byproduct
1.06 ppb 0.06 — — — — — 18× over
Haloacetic acids (HAA9)
Disinfection byproduct
0.959 ppb 0.06 — — — — — 16× over
Dibromochloromethane
Disinfection byproduct
1.51 ppb 0.1 — — — — — 15× over
Perfluorooctanoic acid (PFOA)
PFAS
0.725 ppt 0.09 4.0 100 100 0.007 — 8.1× over
Dibromoacetic acid
Disinfection byproduct
0.132 ppb 0.03 — — — — — 4.4× over
Haloacetic acids (HAA5)
Disinfection byproduct
0.336 ppb 0.1 60.0 60 — — — 3.4× over
Chloroform
Disinfection byproduct
0.835 ppb 0.4 — — — — — 2.1× over
Bromoform
Disinfection byproduct
0.764 ppb 0.5 — — — — — 1.5× over
Trichloroacetic acid
Disinfection byproduct
0.0988 ppb 0.1 — — — — — Below guideline
Dichloroacetic acid
Disinfection byproduct
0.131 ppb 0.2 — — — — — Below guideline
Chlorate
Disinfection byproduct
114.5 ppb 210.0 — — — — — Below guideline
Beryllium
Heavy metal
0.217 ppb 1.0 4.0 — — 1 — Below guideline
Barium
Heavy metal
63.2 ppb 700.0 2000.0 — 1300 2000 — Below guideline
Manganese
Heavy metal
3.73 ppb 100.0 — 50 80 — — Below guideline
Selenium
Heavy metal
0.687 ppb 30.0 50.0 20 40 30 — Below guideline
Vanadium
Other
0.247 ppb 21.0 — — — — — Below guideline
Cobalt
Other
0.488 ppb 70.0 — — — — — Below guideline
Chloromethane
Other
0.00416 ppb 2.69 — — — — — Below guideline
Perfluoropentanoic Acid (PFPeA)
PFAS
1.03 ppt 1000.0 — — — — — Below guideline
Perfluorobutane sulfonate (PFBS)
PFAS
0.717 ppt 2000.0 — — — — — Below guideline
Perfluorohexanoic Acid (PFHxA)
PFAS
0.258 ppt 1000.0 — — — — — Below guideline
Strontium
Radiological
0.0748 ppb 1500.0 — — — — — Below guideline
Chlorodifluoromethane
Other
0.0517 ppb — — — — — — Below guideline

All values in the unit of the detected level. Red cells indicate the detected level exceeds that standard. Some contaminants have limits in some jurisdictions but not others (shown as —). The "Tested" column shows the year each contaminant sample was collected.

Sources: US EPA, EU Drinking Water Directive 2020/2184, WHO Guidelines (4th ed.), California OEHHA PHGs, EWG Tap Water Database.

REHOBOTH PUMP DISTRICT (TUI) service area

This water system serves 1 community in Sussex County, Delaware. Click any city for its dedicated tap water quality page.

About this water system

Public Water System ID
DE0000991
Owner type
Private
Source water
Groundwater
Service connections
27,139
Service area
REHOBOTH BEACH, Sussex County, Delaware